20662719

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89449}}^1$

素因数の和:89470

約数の個数: 16

約数和(自身を含む): 34348800

約数和(自身を除く): 13686081

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 89449, 268347, 626143, 983939, 1878429, 2951817, 6887573, 20662719]

約数ペア:

[(1, 20662719), (3, 6887573), (7, 2951817), (11, 1878429), (21, 983939), (33, 626143), (77, 268347), (231, 89449)]